Breaking: White House may have demanded halt to trading GME. Yellen tied into this.
One Reddit user, Odin19199, claiming to be an employee of Robinhood, stated that the company was pressured to halt GameStop trading by Sequoia Capital and the White House.
https://ussanews.com/News1/2021/01/28/breaking-robinhood-employee-white-house-behind-gamestop-trading-stop/